Package org.jquantlib.pricingengines

Examples of org.jquantlib.pricingengines.BlackCalculator.gamma()

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        final double variance = process.blackVolatility().currentLink().blackVariance(a.exercise.lastDate(), payoff.strike());
        final BlackCalculator black = new BlackCalculator(payoff, forwardPrice, Math.sqrt(variance), riskFreeDiscount);

        r.value = black.value();
        greeks.delta = black.delta(spot);
        greeks.gamma = black.gamma(spot);

        final DayCounter rfdc  = process.riskFreeRate().currentLink().dayCounter();
        final DayCounter voldc = process.blackVolatility().currentLink().dayCounter();
        /*@Time*/ double t = voldc.yearFraction(process.blackVolatility().currentLink().referenceDate(), a.exercise.lastDate());
        greeks.vega = black.vega(t);
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        /*@Real*/ final double forward = spot * dividendDiscount / riskFreeDiscount;

        final BlackCalculator black = new BlackCalculator(payoff, forward, Math.sqrt(variance/3.0),riskFreeDiscount);
        r.value = black.value();
        greeks.delta = black.delta(spot);
        greeks.gamma = black.gamma(spot);
        greeks.dividendRho = black.dividendRho(t_q)/2.0;

        /*@Time*/ final double t_r = rfdc.yearFraction(process.riskFreeRate().currentLink().referenceDate(),
                a.exercise.lastDate());
        greeks.rho = black.rho(t_r) + 0.5 * black.dividendRho(t_q);
 
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            // early exercise never optimal
            r.value                     = black.value();
            greeks.delta            = black.delta(spot);
            moreGreeks.deltaForward = black.deltaForward();
            moreGreeks.elasticity   = black.elasticity(spot);
            greeks.gamma            = black.gamma(spot);

            final DayCounter rfdc  = process.riskFreeRate().currentLink().dayCounter();
            final DayCounter divdc = process.dividendYield().currentLink().dayCounter();
            final DayCounter voldc = process.blackVolatility().currentLink().dayCounter();
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        final BlackCalculator black = new BlackCalculator(striked_payoff, forwardPrice, Math.sqrt(variance), riskFreeDiscount);

        r.value = prices.valueAtCenter() - controlPrices.valueAtCenter() + black.value();
        greeks.delta = prices.firstDerivativeAtCenter() - controlPrices.firstDerivativeAtCenter() + black.delta(spot);
        greeks.gamma = prices.secondDerivativeAtCenter() - controlPrices.secondDerivativeAtCenter() + black.gamma(spot);
        r.additionalResults().put("priceCurve", prices);
    }
}
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